Release 4.11 sound/pci/ctxfi/ctdaio.h

/**
 * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
 *
 * This source file is released under GPL v2 license (no other versions).
 * See the COPYING file included in the main directory of this source
 * distribution for the license terms and conditions.
 *
 * @File        ctdaio.h
 *
 * @Brief
 * This file contains the definition of Digital Audio Input Output
 * resource management object.
 *
 * @Author      Liu Chun
 * @Date        May 23 2008
 *
 */

#ifndef CTDAIO_H

#define CTDAIO_H

#include "ctresource.h"
#include "ctimap.h"
#include <linux/spinlock.h>
#include <linux/list.h>
#include <sound/core.h>

/* Define the descriptor of a daio resource */

enum DAIOTYP {
	
LINEO1,
	
LINEO2,
	
LINEO3,
	
LINEO4,
	
SPDIFOO,	/* S/PDIF Out (Flexijack/Optical) */
	
LINEIM,
	
SPDIFIO,	/* S/PDIF In (Flexijack/Optical) on the card */
	
MIC,		/* Dedicated mic on Titanium HD */
	
SPDIFI1,	/* S/PDIF In on internal Drive Bay */
	
NUM_DAIOTYP
};

struct dao_rsc_ops;
struct dai_rsc_ops;
struct daio_mgr;


struct daio {
	
struct rsc rscl;	/* Basic resource info for left TX/RX */
	
struct rsc rscr;	/* Basic resource info for right TX/RX */
	
enum DAIOTYP type;
};


struct dao {
	
struct daio daio;
	
const struct dao_rsc_ops *ops;	/* DAO specific operations */
	
struct imapper **imappers;
	
struct daio_mgr *mgr;
	
struct hw *hw;
	
void *ctrl_blk;
};


struct dai {
	
struct daio daio;
	
const struct dai_rsc_ops *ops;	/* DAI specific operations */
	
struct hw *hw;
	
void *ctrl_blk;
};


struct dao_desc {
	
unsigned int msr:4;
	
unsigned int passthru:1;
};


struct dao_rsc_ops {
	
int (*set_spos)(struct dao *dao, unsigned int spos);
	
int (*commit_write)(struct dao *dao);
	
int (*get_spos)(struct dao *dao, unsigned int *spos);
	
int (*reinit)(struct dao *dao, const struct dao_desc *desc);
	
int (*set_left_input)(struct dao *dao, struct rsc *input);
	
int (*set_right_input)(struct dao *dao, struct rsc *input);
	
int (*clear_left_input)(struct dao *dao);
	
int (*clear_right_input)(struct dao *dao);
};


struct dai_rsc_ops {
	
int (*set_srt_srcl)(struct dai *dai, struct rsc *src);
	
int (*set_srt_srcr)(struct dai *dai, struct rsc *src);
	
int (*set_srt_msr)(struct dai *dai, unsigned int msr);
	
int (*set_enb_src)(struct dai *dai, unsigned int enb);
	
int (*set_enb_srt)(struct dai *dai, unsigned int enb);
	
int (*commit_write)(struct dai *dai);
};

/* Define daio resource request description info */

struct daio_desc {
	
unsigned int type:4;
	
unsigned int msr:4;
	
unsigned int passthru:1;
};


struct daio_mgr {
	
struct rsc_mgr mgr;	/* Basic resource manager info */
	
struct snd_card *card;	/* pointer to this card */
	
spinlock_t mgr_lock;
	
spinlock_t imap_lock;
	
struct list_head imappers;
	
struct imapper *init_imap;
	
unsigned int init_imap_added;

	 /* request one daio resource */
	
int (*get_daio)(struct daio_mgr *mgr,
			const struct daio_desc *desc, struct daio **rdaio);
	/* return one daio resource */
	
int (*put_daio)(struct daio_mgr *mgr, struct daio *daio);
	
int (*daio_enable)(struct daio_mgr *mgr, struct daio *daio);
	
int (*daio_disable)(struct daio_mgr *mgr, struct daio *daio);
	
int (*imap_add)(struct daio_mgr *mgr, struct imapper *entry);
	
int (*imap_delete)(struct daio_mgr *mgr, struct imapper *entry);
	
int (*commit_write)(struct daio_mgr *mgr);
};

/* Constructor and destructor of daio resource manager */
int daio_mgr_create(struct hw *hw, struct daio_mgr **rdaio_mgr);
int daio_mgr_destroy(struct daio_mgr *daio_mgr);

#endif /* CTDAIO_H */
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Directory: sound/pci/ctxfi

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